Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines

US$590.00
5-49 Tons
US$550.00
50-99 Tons
US$530.00
100+ Tons
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Product Details
Customization: Available
After-sales Service: 24-Hour Service
Warranty: 24-Hour Service
Topregal (tianjin) Industrial Co., Ltd.
Tianjin, China
Diamond Member Since 2025

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Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines pictures & photos
Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines pictures & photos
Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines pictures & photos
Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines pictures & photos
Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines pictures & photos
Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines pictures & photos
  • Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines
  • Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines
  • Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines
  • Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines
  • Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines
  • Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines
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Product Description

Company Info.
Overview

Basic Info.

Type
Welded
Technique
Cold Rolled
Material
Carbon Steel
Surface Treatment
Black
Usage
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Section Shape
Square
Outer Diameter
1/2"--8"(21.3--219.1mm)
Wall Thickness
1.0mm-10mm
Length
Usually 5.8m, 6m or as Customer Request
Surface
Black, Oilded or Black Painted
Steel Material
Q195/Q215/Q235/Q345/#20/#45
Pipe Usage
Building Construction, Fluid Transport
MOQ
5 Ton
Delivery Time
15-20 Day
Payment Term
Tt or 100% LC at Sight
Trade Term
Fob,CIF,CFR,EXW
Invoicing
by Theoretical Weight
Transport Package
Package by Bundles and PVC Package
Specification
1/2"--8"(21.3--219.1mm)
Trademark
Topregal
Origin
China
HS Code
7306309000
Production Capacity
50000 Tons/Year

Product Description

Product Description
Commodity
Black Steel Square / Rectangular tube hollow section
Square pipe Size
20x20--500x500mm
Rectangular Pipe size
20x40--400x600mm
Wall thickness
0.5-20mm
Length
5.8m/6m  or based on your request
Standard
EN10025.EN10219,ASTM A500 and so on (the Chinese material can be Q195,Q235Q345)
Surface
Black, or Galvanized and Oiled to prevent the rust
End finish
Plain end
Usage
Steel construction, mechanical, manufacturing, construction, automobile manufacturing,

shipbuilding, electricity and more
Packing
1.Big OD:in bulk

2.Small OD:packed by steel strips

3.woven cloth with 7 slats

4.according to the requirements of customers
Shipment
by bulk or load into 20ft / 40ft containers
Delivery time
Within 20days or as your request
Payment Terms
T/T or L/C at sight

Terms of trade :FOB ,CFR,CIF ,DDP,EXW
Grade
Chemical Composition
Mechanical Properties
C
Mn
Si
S
P
Yield
Tensile
Elongati
Strength Mpa
Strenth Mpa
-on %
Q195
0.06-0.12
0.25-0.50
≤0.30
≤0.045
≤0.05
≥195
315-430
≥33
Q215
0.09-0.15
0.25-0.55
≤0.30
≤0.05
≤0.045
≥217
335-450
≥27
Q235
0.12-0.20
0.30-0.67
≤0.30
≤0.045
≤0.04
≥235
375-500
≥26
Q345
≤0.20
1.00-1.60
≤0.55
≤0.04
≤0.04
≥345
470-630
≥22
Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines
Black steel pipe
Pipe Type
Specification/mm
Thickness/mm
Specification/mm
Thickness/mm
rectangular pipe
10*20
0.5-2.0
76*38
0.8-3.0
10*30
0.5-2.0
45*75
0.8-3.0
20*30
0.5-3.0
100*50
1.0-5.0
40*20
0.5-3.0
100*60
1.5-5.0
50*20
0.6-2.0
50*25
0.6-2.0
75*25
0.7-2.0
70*20
0.7-2.0
40*30
1.2-3.0
100*80
1.5-5.0
50*25
1.5-3.0
120*50
2.0-5.0
50*30
0.7-4.0
120*60
2.0-5.0
60*30
0.7-4.0
120*80
2.0-5.0
70*30
0.7-2.5


60*40
0.7-4.0
160*80
2.75-5.0
70*50
1.5-4.0
100*150
2.75-5.0
80*40
0.9-4.0
100*200
2.75-5.0
80*60
1.7-5.0
200*300
2.75-14
90*50
1.7-5.0
200*400
2.75-14
90*60
1.5-5.0
300*400
2.75-14
100*40
1.5-5.0
300*500
2.75-14
Square Pipe
15*15
0.5-2.0
19*19
0.5-2.0
20*20
0.5-2.0
100*100
2.0-5.0
24*24
0.5-2.0
125*125
3.0-5.75
25*25
1.2-3.0
110*110
2.0-5.0
30*30
1.2-3.0
120*120
2.0-5.0
40*40
0.6-4.0
130*130
2.0-5.0
50*50
0.7-4.0
140*140
2.0-5.0
60*60
1.0-4.0
150*150
2.75-5.0
70*70
1.7-5.0
200*200
2.75-14
75*75
1.7-5.0
250*250
2.75-14
80*80
1.7-5.0
300*300
2.75-14
90*90
2.0-5.0
400*400
2.75-14
Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines
Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines
Hot Products
Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines
Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines
Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines
Company Profile
TOPREGAL(TIANIN) INDUSTRIALCO, LTD. LOCATED IN TIANIN,CHINA, WHICH IS LARGESIPORT IN THE NORTH OF CHINA. TOPREGAL HAS OVER 15 YEARS EXPORT EXPERIENCE INSTEEL FIELD, MAINLY SELL BLACK STEEL PIPE, GALVANIZED STEEL PIPE, STEEL COIL, STEEL SHEET, PRE-PAINTED & GALVANIZED STEEL COIL  AND STEEL PROFILES.
TOPREGAL (TIANJIN) INDUSTRIAL CO,LTD. AND REALTEAM INDUSTRIAL LIMITED ARE SISTER COMPANIES, PROFESSIONAL SALES TEAMS,PURCHASE TEAMS,QUAUTY CONTROL TEAMS,AND AFTER-SALES SERVICE TEAMS, TO ENSURE EVERY CLIENT HAVING SATISFIED ORDERPURCHASING EXPERIENCE.
OUR STEEL PRODUCTS ARE WIDELY EXPORTED TO SOUTHEAST ASIA ,AFRICA,SOUTH AMERICA ,MIDDLE EAST,OCEANIA,INCLUDE SOUTH KOREA, MYANMAR, PHILIPPINE,INDIA, BANGLADESH, ISRAEL, IRAQ, DEMOCRATC OF CONGO,GHANA, LIBERIA, ALGERIA,ETHIOPIA, UAE,AUSTRALIA, ECUADOR,AND ETC.
WE FEEL GRATEFUL FOR TRUST FROM OUR NEW AND OLD CLIENTS, TOPREGAL LOOKS FORWARD TO GROWING UP WITH EVERY CLIENT.
Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines
Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines
Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines
Packaging & Shipping
Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines
Cold Rolled Square Tube with Excellent Flatness for Automated Welding and Assembly Lines
FAQ
A 15+ Years Professional Steel Manufacturer Verified by CE,ISO and SGS
(1) Time delivery guarantee
(2) Good quality assurance: 
--- Raw material is inspected before production
--- Production process is STRICTLY controlled by ISO quality management system.
--- MTC report is provided with the shippment.
--- Third party inspection is acceptable after production.
--- Our offical certificate of CE,ISO,SGS is available for your check.
(3)Different quantity will have different discount.
(4)  We are also "Quality Service Integrity Unit '',"Integrity Management Demonstration Unit" praised by our 
local goverment in our local markert deal.
(5) 24-hour online service will supply efficient service before sale or after sale.
(6) Support 100% refund if any quality problem that cannot be solved by us.
(7)We can provide you with samples and accept multiple payment methods,please contact us for details.

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